400147100 has 36 divisors (see below), whose sum is σ = 906077424. Its totient is φ = 153098880.

The previous prime is 400147081. The next prime is 400147109. The reversal of 400147100 is 1741004.

It is a super-3 number, since 3×400147100³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400147109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84689 + ... + 89288.

Almost surely, 2^400147100 is an apocalyptic number.

It is an amenable number.

400147100 is an abundant number, since it is smaller than the sum of its proper divisors (505930324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400147100 is a wasteful number, since it uses less digits than its factorization.

400147100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174014 (or 174007 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 400147100 is about 20003.6771619620. The cubic root of 400147100 is about 736.8966088308.

Adding to 400147100 its reverse (1741004), we get a palindrome (401888104).

The spelling of 400147100 in words is "four hundred million, one hundred forty-seven thousand, one hundred".